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SR811902069 -Pressure & Flow Response - Lot 2 RP87781 - 165 Gympie Rd Noosaville - Kingston Developments · MCU18/0078
Attached to the e-mail Response_ SR811902069 -Pressure & Flow Response - Lot 2 RP87781 - 165 Gympie Rd Noosaville - Kingston Developments (A5124802).eml, inside MCU18/0078 and OPW18/0117 Response to information Request.msg.
Mailing Address:
PO Box 953, Caboolture QLD 4510
Customer Service Centres:
33 King Street, Caboolture QLD 4510
6-10 Maud Street, Maroochydore QLD 4558
1300 0 UNITY (1300 086 489)
www.unitywater.com
ABN: 89 791 717 472
Our ref: A5124802
PF/SR811902069/2018
Mr Brent Threadgold
Kingston Developments
PO Box 915
Cooroy QLD 4563
Email: [email protected]
12 June 2018
Dear Mr Threadgold
Network Pressure and Flow Data – Request for information – Lot 2 RP87781, situated
at 165 Gympie Road Noosaville
I refer to your application received by Unitywater on 31 May 2018 in which you request
pressure and flow data for the above property.
Minimum Standard of Service
In accordance with Queensland Government Guidelines Unitywater designs, constructs,
operates and maintains its water supply network to provide the following minimum standard
of service a 2/3 of the calculated maximum hour demand on the peak day:
Table 1 – Minimum Standard of Service
Type of Use Flow Available from Residual Head in Water
Unitywater’s Water Main Main Servicing the Use
for Fire Fighting Purposes (metres)
(litres/second)
Residential including multi –
storey residential dwellings 15 12
of less than 3 storey
Commercial that is ancillary
15 12
to residential use
Multi-storey residential
30 12
greater than 3 storey
Commercial and or Industrial 30 12
Page 1 of 3
Unitywater is a statutory authority that provides water and sewerage Unitywater has certification to
OH&S ISO 4801:2001 Reg No 4260
services for the Moreton Bay, Sunshine Coast and Noosa Council areas. Environmental ISO 14001:2004 Reg No 4259
Quality Systems ISO 9001:2008 Reg No 4258
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Page 2
Unitywater does not guarantee that fire fighting flow will be available at all times on the grounds
that components of Unitywater’s water supply infrastructure may be shut down temporarily for
planned maintenance or to repair bursts or damage caused by others.
The current type of use for this property is attached housing. Hence, in accordance with Table
1 above, the Minimum Standard of Service that applies is 15 litres/second at 12 m residual
head.
Current Dynamic Model Data
Unitywater’s current dynamic water supply model indicates the following under a demand
condition of 2/3 of the estimated maximum hour demand on the peak day in Year 2031.
Table 2 – Estimated Available Flow and Pressure to 2031
Water Main Estimated RL at
Assessment Node Node Location
Diameter (mm) Assessment Node
Noo1923 Corner of Gympie 300 1.61
Terrace and Robert
Street
Background Static Head Fire Flow Residual Head
Demand (m) Demand (m)
(litres/second) (litres/second)
0.35 56.8 15 55.2
Unitywater reserves the right, at any time, to change the operating pressures within the water
supply network, but not below the Minimum Standard of Service stated in Table 1.
Unitywater accepts no liability whatsoever for changes in the operating pressure of this water
supply network and the consequent impacts on any fire suppression system within the subject
property. It shall be the property owner’s responsibility to ensure that any fire suppression
system operating on the property complies with the relevant requirement of the Building Code
of Australia and that this system is regularly tested for compliance with the relevant standards.
Any upgrade of the fire suppression system required due to changes in the operating pressure
of the water supply network will be the property owner’s responsibility.
Suggested Approach to Design of Fire Suppression System
It is suggested that the owner of the property consult with a qualified and suitably experienced
hydraulic designer to consider the risks associated with designing a fire suppression system
for the subject property based upon the output from Unitywater’s current dynamic water supply
model. Unitywater may alter the operating pressure of the network at any time.
It is suggested that this risk should be balanced against the cost of designing and installing a
fire suppression system that would provide the desired level of performance when supplied
with water from Unitywater’s mains at the Minimum Standard of Service stated in Table 1.
Page 2 of 3
Unitywater is a statutory authority that provides water and sewerage Unitywater has certification to
OH&S ISO 4801:2001 Reg No 4260
services for the Moreton Bay, Sunshine Coast and Noosa Council areas. Environmental ISO 14001:2004 Reg No 4259
Quality Systems ISO 9001:2008 Reg No 4258
Page 3
It may be beneficial to consider providing space and conduits on the subject property that
could be utilised for installation of storage tanks and or pumping equipment and associated
electrical equipment in the instance that an upgrade of the fire suppression system was
necessary in the future.
Further Information
Should you require clarification of the foregoing please contact Unitywater on 1300 086 489
during business hours or by email to [email protected] sincerely
Michael Lukin
Network Planning Manager
Page 3 of 3
Unitywater is a statutory authority that provides water and sewerage Unitywater has certification to
OH&S ISO 4801:2001 Reg No 4260
services for the Moreton Bay, Sunshine Coast and Noosa Council areas. Environmental ISO 14001:2004 Reg No 4259
Quality Systems ISO 9001:2008 Reg No 4258
Used in these records
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